| /* $Id$ */ |
| /* |
| * Copyright (C) 2003-2007 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjsua-lib/pjsua.h> |
| #include <pjsua-lib/pjsua_internal.h> |
| |
| |
| #define THIS_FILE "pjsua_core.c" |
| |
| |
| /* PJSUA application instance. */ |
| struct pjsua_data pjsua_var; |
| |
| |
| /* Display error */ |
| PJ_DEF(void) pjsua_perror( const char *sender, const char *title, |
| pj_status_t status) |
| { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(3,(sender, "%s: %s [status=%d]", title, errmsg, status)); |
| } |
| |
| |
| static void init_data() |
| { |
| unsigned i; |
| |
| pj_bzero(&pjsua_var, sizeof(pjsua_var)); |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) |
| pjsua_var.acc[i].index = i; |
| |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.tpdata); ++i) |
| pjsua_var.tpdata[i].index = i; |
| |
| pjsua_var.stun_status = PJ_EUNKNOWN; |
| } |
| |
| |
| |
| /***************************************************************************** |
| * This is a very simple PJSIP module, whose sole purpose is to display |
| * incoming and outgoing messages to log. This module will have priority |
| * higher than transport layer, which means: |
| * |
| * - incoming messages will come to this module first before reaching |
| * transaction layer. |
| * |
| * - outgoing messages will come to this module last, after the message |
| * has been 'printed' to contiguous buffer by transport layer and |
| * appropriate transport instance has been decided for this message. |
| * |
| */ |
| |
| /* Notification on incoming messages */ |
| static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata) |
| { |
| PJ_LOG(4,(THIS_FILE, "RX %d bytes %s from %s %s:%d:\n" |
| "%.*s\n" |
| "--end msg--", |
| rdata->msg_info.len, |
| pjsip_rx_data_get_info(rdata), |
| rdata->tp_info.transport->type_name, |
| rdata->pkt_info.src_name, |
| rdata->pkt_info.src_port, |
| (int)rdata->msg_info.len, |
| rdata->msg_info.msg_buf)); |
| |
| /* Always return false, otherwise messages will not get processed! */ |
| return PJ_FALSE; |
| } |
| |
| /* Notification on outgoing messages */ |
| static pj_status_t logging_on_tx_msg(pjsip_tx_data *tdata) |
| { |
| |
| /* Important note: |
| * tp_info field is only valid after outgoing messages has passed |
| * transport layer. So don't try to access tp_info when the module |
| * has lower priority than transport layer. |
| */ |
| |
| PJ_LOG(4,(THIS_FILE, "TX %d bytes %s to %s %s:%d:\n" |
| "%.*s\n" |
| "--end msg--", |
| (tdata->buf.cur - tdata->buf.start), |
| pjsip_tx_data_get_info(tdata), |
| tdata->tp_info.transport->type_name, |
| tdata->tp_info.dst_name, |
| tdata->tp_info.dst_port, |
| (int)(tdata->buf.cur - tdata->buf.start), |
| tdata->buf.start)); |
| |
| /* Always return success, otherwise message will not get sent! */ |
| return PJ_SUCCESS; |
| } |
| |
| /* The module instance. */ |
| static pjsip_module pjsua_msg_logger = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-pjsua-log", 13 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_TRANSPORT_LAYER-1,/* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &logging_on_rx_msg, /* on_rx_request() */ |
| &logging_on_rx_msg, /* on_rx_response() */ |
| &logging_on_tx_msg, /* on_tx_request. */ |
| &logging_on_tx_msg, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| |
| }; |
| |
| |
| /***************************************************************************** |
| * Another simple module to handle incoming OPTIONS request |
| */ |
| |
| /* Notification on incoming request */ |
| static pj_bool_t options_on_rx_request(pjsip_rx_data *rdata) |
| { |
| pjsip_tx_data *tdata; |
| pjsip_response_addr res_addr; |
| pjmedia_sdp_session *sdp; |
| const pjsip_hdr *cap_hdr; |
| pj_status_t status; |
| |
| /* Only want to handle OPTIONS requests */ |
| if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, |
| &pjsip_options_method) != 0) |
| { |
| return PJ_FALSE; |
| } |
| |
| /* Create basic response. */ |
| status = pjsip_endpt_create_response(pjsua_var.endpt, rdata, 200, NULL, |
| &tdata); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create OPTIONS response", status); |
| return PJ_TRUE; |
| } |
| |
| /* Add Allow header */ |
| cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_ALLOW, NULL); |
| if (cap_hdr) { |
| pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_clone(tdata->pool, cap_hdr)); |
| } |
| |
| /* Add Accept header */ |
| cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_ACCEPT, NULL); |
| if (cap_hdr) { |
| pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_clone(tdata->pool, cap_hdr)); |
| } |
| |
| /* Add Supported header */ |
| cap_hdr = pjsip_endpt_get_capability(pjsua_var.endpt, PJSIP_H_SUPPORTED, NULL); |
| if (cap_hdr) { |
| pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_clone(tdata->pool, cap_hdr)); |
| } |
| |
| /* Add Allow-Events header from the evsub module */ |
| cap_hdr = pjsip_evsub_get_allow_events_hdr(NULL); |
| if (cap_hdr) { |
| pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_clone(tdata->pool, cap_hdr)); |
| } |
| |
| /* Add User-Agent header */ |
| if (pjsua_var.ua_cfg.user_agent.slen) { |
| const pj_str_t USER_AGENT = { "User-Agent", 10}; |
| pjsip_hdr *h; |
| |
| h = (pjsip_hdr*) pjsip_generic_string_hdr_create(tdata->pool, |
| &USER_AGENT, |
| &pjsua_var.ua_cfg.user_agent); |
| pjsip_msg_add_hdr(tdata->msg, h); |
| } |
| |
| /* Add SDP body, using call0's RTP address */ |
| status = pjmedia_endpt_create_sdp(pjsua_var.med_endpt, tdata->pool, 1, |
| &pjsua_var.calls[0].skinfo, &sdp); |
| if (status == PJ_SUCCESS) { |
| pjsip_create_sdp_body(tdata->pool, sdp, &tdata->msg->body); |
| } |
| |
| /* Send response statelessly */ |
| pjsip_get_response_addr(tdata->pool, rdata, &res_addr); |
| status = pjsip_endpt_send_response(pjsua_var.endpt, &res_addr, tdata, NULL, NULL); |
| if (status != PJ_SUCCESS) |
| pjsip_tx_data_dec_ref(tdata); |
| |
| return PJ_TRUE; |
| } |
| |
| |
| /* The module instance. */ |
| static pjsip_module pjsua_options_handler = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-pjsua-options", 17 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &options_on_rx_request, /* on_rx_request() */ |
| NULL, /* on_rx_response() */ |
| NULL, /* on_tx_request. */ |
| NULL, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| |
| }; |
| |
| |
| /***************************************************************************** |
| * These two functions are the main callbacks registered to PJSIP stack |
| * to receive SIP request and response messages that are outside any |
| * dialogs and any transactions. |
| */ |
| |
| /* |
| * Handler for receiving incoming requests. |
| * |
| * This handler serves multiple purposes: |
| * - it receives requests outside dialogs. |
| * - it receives requests inside dialogs, when the requests are |
| * unhandled by other dialog usages. Example of these |
| * requests are: MESSAGE. |
| */ |
| static pj_bool_t mod_pjsua_on_rx_request(pjsip_rx_data *rdata) |
| { |
| pj_bool_t processed = PJ_FALSE; |
| |
| PJSUA_LOCK(); |
| |
| if (rdata->msg_info.msg->line.req.method.id == PJSIP_INVITE_METHOD) { |
| |
| processed = pjsua_call_on_incoming(rdata); |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return processed; |
| } |
| |
| |
| /* |
| * Handler for receiving incoming responses. |
| * |
| * This handler serves multiple purposes: |
| * - it receives strayed responses (i.e. outside any dialog and |
| * outside any transactions). |
| * - it receives responses coming to a transaction, when pjsua |
| * module is set as transaction user for the transaction. |
| * - it receives responses inside a dialog, when these responses |
| * are unhandled by other dialog usages. |
| */ |
| static pj_bool_t mod_pjsua_on_rx_response(pjsip_rx_data *rdata) |
| { |
| PJ_UNUSED_ARG(rdata); |
| return PJ_FALSE; |
| } |
| |
| |
| /***************************************************************************** |
| * Logging. |
| */ |
| |
| /* Log callback */ |
| static void log_writer(int level, const char *buffer, int len) |
| { |
| /* Write to file, stdout or application callback. */ |
| |
| if (pjsua_var.log_file) { |
| pj_ssize_t size = len; |
| pj_file_write(pjsua_var.log_file, buffer, &size); |
| pj_file_flush(pjsua_var.log_file); |
| } |
| |
| if (level <= (int)pjsua_var.log_cfg.console_level) { |
| if (pjsua_var.log_cfg.cb) |
| (*pjsua_var.log_cfg.cb)(level, buffer, len); |
| else |
| pj_log_write(level, buffer, len); |
| } |
| } |
| |
| |
| /* |
| * Application can call this function at any time (after pjsua_create(), of |
| * course) to change logging settings. |
| */ |
| PJ_DEF(pj_status_t) pjsua_reconfigure_logging(const pjsua_logging_config *cfg) |
| { |
| pj_status_t status; |
| |
| /* Save config. */ |
| pjsua_logging_config_dup(pjsua_var.pool, &pjsua_var.log_cfg, cfg); |
| |
| /* Redirect log function to ours */ |
| pj_log_set_log_func( &log_writer ); |
| |
| /* Close existing file, if any */ |
| if (pjsua_var.log_file) { |
| pj_file_close(pjsua_var.log_file); |
| pjsua_var.log_file = NULL; |
| } |
| |
| /* If output log file is desired, create the file: */ |
| if (pjsua_var.log_cfg.log_filename.slen) { |
| |
| status = pj_file_open(pjsua_var.pool, |
| pjsua_var.log_cfg.log_filename.ptr, |
| PJ_O_WRONLY, |
| &pjsua_var.log_file); |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating log file", status); |
| return status; |
| } |
| } |
| |
| /* Unregister msg logging if it's previously registered */ |
| if (pjsua_msg_logger.id >= 0) { |
| pjsip_endpt_unregister_module(pjsua_var.endpt, &pjsua_msg_logger); |
| pjsua_msg_logger.id = -1; |
| } |
| |
| /* Enable SIP message logging */ |
| if (pjsua_var.log_cfg.msg_logging) |
| pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_msg_logger); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /***************************************************************************** |
| * PJSUA Base API. |
| */ |
| |
| /* Worker thread function. */ |
| static int worker_thread(void *arg) |
| { |
| enum { TIMEOUT = 10 }; |
| |
| PJ_UNUSED_ARG(arg); |
| |
| while (!pjsua_var.thread_quit_flag) { |
| int count; |
| |
| count = pjsua_handle_events(TIMEOUT); |
| if (count < 0) |
| pj_thread_sleep(TIMEOUT); |
| } |
| |
| return 0; |
| } |
| |
| |
| /* |
| * Instantiate pjsua application. |
| */ |
| PJ_DEF(pj_status_t) pjsua_create(void) |
| { |
| pj_status_t status; |
| |
| /* Init pjsua data */ |
| init_data(); |
| |
| /* Set default logging settings */ |
| pjsua_logging_config_default(&pjsua_var.log_cfg); |
| |
| /* Init PJLIB: */ |
| status = pj_init(); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| /* Init PJLIB-UTIL: */ |
| status = pjlib_util_init(); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Init PJNATH */ |
| status = pjnath_init(); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Set default sound device ID */ |
| pjsua_var.cap_dev = pjsua_var.play_dev = -1; |
| |
| /* Init caching pool. */ |
| pj_caching_pool_init(&pjsua_var.cp, &pj_pool_factory_default_policy, 0); |
| |
| /* Create memory pool for application. */ |
| pjsua_var.pool = pjsua_pool_create("pjsua", 4000, 4000); |
| |
| PJ_ASSERT_RETURN(pjsua_var.pool, PJ_ENOMEM); |
| |
| /* Create mutex */ |
| status = pj_mutex_create_recursive(pjsua_var.pool, "pjsua", |
| &pjsua_var.mutex); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create mutex", status); |
| return status; |
| } |
| |
| /* Must create SIP endpoint to initialize SIP parser. The parser |
| * is needed for example when application needs to call pjsua_verify_url(). |
| */ |
| status = pjsip_endpt_create(&pjsua_var.cp.factory, |
| pj_gethostname()->ptr, |
| &pjsua_var.endpt); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Initialize pjsua with the specified settings. All the settings are |
| * optional, and the default values will be used when the config is not |
| * specified. |
| */ |
| PJ_DEF(pj_status_t) pjsua_init( const pjsua_config *ua_cfg, |
| const pjsua_logging_config *log_cfg, |
| const pjsua_media_config *media_cfg) |
| { |
| pjsua_config default_cfg; |
| pjsua_media_config default_media_cfg; |
| const pj_str_t STR_OPTIONS = { "OPTIONS", 7 }; |
| pj_status_t status; |
| |
| |
| /* Create default configurations when the config is not supplied */ |
| |
| if (ua_cfg == NULL) { |
| pjsua_config_default(&default_cfg); |
| ua_cfg = &default_cfg; |
| } |
| |
| if (media_cfg == NULL) { |
| pjsua_media_config_default(&default_media_cfg); |
| media_cfg = &default_media_cfg; |
| } |
| |
| /* Initialize logging first so that info/errors can be captured */ |
| if (log_cfg) { |
| status = pjsua_reconfigure_logging(log_cfg); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| } |
| |
| /* If nameserver is configured, create DNS resolver instance and |
| * set it to be used by SIP resolver. |
| */ |
| if (ua_cfg->nameserver_count) { |
| #if PJSIP_HAS_RESOLVER |
| unsigned i; |
| |
| /* Create DNS resolver */ |
| status = pjsip_endpt_create_resolver(pjsua_var.endpt, |
| &pjsua_var.resolver); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Configure nameserver for the DNS resolver */ |
| status = pj_dns_resolver_set_ns(pjsua_var.resolver, |
| ua_cfg->nameserver_count, |
| ua_cfg->nameserver, NULL); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error setting nameserver", status); |
| return status; |
| } |
| |
| /* Set this DNS resolver to be used by the SIP resolver */ |
| status = pjsip_endpt_set_resolver(pjsua_var.endpt, pjsua_var.resolver); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error setting DNS resolver", status); |
| return status; |
| } |
| |
| /* Print nameservers */ |
| for (i=0; i<ua_cfg->nameserver_count; ++i) { |
| PJ_LOG(4,(THIS_FILE, "Nameserver %.*s added", |
| (int)ua_cfg->nameserver[i].slen, |
| ua_cfg->nameserver[i].ptr)); |
| } |
| #else |
| PJ_LOG(2,(THIS_FILE, |
| "DNS resolver is disabled (PJSIP_HAS_RESOLVER==0)")); |
| #endif |
| } |
| |
| /* Init SIP UA: */ |
| |
| /* Initialize transaction layer: */ |
| status = pjsip_tsx_layer_init_module(pjsua_var.endpt); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| /* Initialize UA layer module: */ |
| status = pjsip_ua_init_module( pjsua_var.endpt, NULL ); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| /* Initialize Replaces support. */ |
| status = pjsip_replaces_init_module( pjsua_var.endpt ); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| /* Initialize and register PJSUA application module. */ |
| { |
| const pjsip_module mod_initializer = |
| { |
| NULL, NULL, /* prev, next. */ |
| { "mod-pjsua", 9 }, /* Name. */ |
| -1, /* Id */ |
| PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */ |
| NULL, /* load() */ |
| NULL, /* start() */ |
| NULL, /* stop() */ |
| NULL, /* unload() */ |
| &mod_pjsua_on_rx_request, /* on_rx_request() */ |
| &mod_pjsua_on_rx_response, /* on_rx_response() */ |
| NULL, /* on_tx_request. */ |
| NULL, /* on_tx_response() */ |
| NULL, /* on_tsx_state() */ |
| }; |
| |
| pjsua_var.mod = mod_initializer; |
| |
| status = pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_var.mod); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| } |
| |
| |
| |
| /* Initialize PJSUA call subsystem: */ |
| status = pjsua_call_subsys_init(ua_cfg); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| |
| /* Start resolving STUN server */ |
| status = pjsua_resolve_stun_server(PJ_FALSE); |
| if (status != PJ_SUCCESS && status != PJ_EPENDING) { |
| pjsua_perror(THIS_FILE, "Error resolving STUN server", status); |
| return status; |
| } |
| |
| /* Initialize PJSUA media subsystem */ |
| status = pjsua_media_subsys_init(media_cfg); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| |
| /* Init core SIMPLE module : */ |
| status = pjsip_evsub_init_module(pjsua_var.endpt); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| |
| /* Init presence module: */ |
| status = pjsip_pres_init_module( pjsua_var.endpt, pjsip_evsub_instance()); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Init PUBLISH module */ |
| pjsip_publishc_init_module(pjsua_var.endpt); |
| |
| /* Init xfer/REFER module */ |
| status = pjsip_xfer_init_module( pjsua_var.endpt ); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Init pjsua presence handler: */ |
| status = pjsua_pres_init(); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Init out-of-dialog MESSAGE request handler. */ |
| status = pjsua_im_init(); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Register OPTIONS handler */ |
| pjsip_endpt_register_module(pjsua_var.endpt, &pjsua_options_handler); |
| |
| /* Add OPTIONS in Allow header */ |
| pjsip_endpt_add_capability(pjsua_var.endpt, NULL, PJSIP_H_ALLOW, |
| NULL, 1, &STR_OPTIONS); |
| |
| /* Start worker thread if needed. */ |
| if (pjsua_var.ua_cfg.thread_cnt) { |
| unsigned i; |
| |
| if (pjsua_var.ua_cfg.thread_cnt > PJ_ARRAY_SIZE(pjsua_var.thread)) |
| pjsua_var.ua_cfg.thread_cnt = PJ_ARRAY_SIZE(pjsua_var.thread); |
| |
| for (i=0; i<pjsua_var.ua_cfg.thread_cnt; ++i) { |
| status = pj_thread_create(pjsua_var.pool, "pjsua", &worker_thread, |
| NULL, 0, 0, &pjsua_var.thread[i]); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| } |
| PJ_LOG(4,(THIS_FILE, "%d SIP worker threads created", |
| pjsua_var.ua_cfg.thread_cnt)); |
| } else { |
| PJ_LOG(4,(THIS_FILE, "No SIP worker threads created")); |
| } |
| |
| /* Done! */ |
| |
| PJ_LOG(3,(THIS_FILE, "pjsua version %s for %s initialized", |
| PJ_VERSION, PJ_OS_NAME)); |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| pjsua_destroy(); |
| return status; |
| } |
| |
| |
| /* Sleep with polling */ |
| static void busy_sleep(unsigned msec) |
| { |
| pj_time_val timeout, now; |
| |
| pj_gettimeofday(&timeout); |
| timeout.msec += msec; |
| pj_time_val_normalize(&timeout); |
| |
| do { |
| while (pjsua_handle_events(10) > 0) |
| ; |
| pj_gettimeofday(&now); |
| } while (PJ_TIME_VAL_LT(now, timeout)); |
| } |
| |
| |
| /* |
| * Callback function to receive notification from the resolver |
| * when the resolution process completes. |
| */ |
| static void stun_dns_srv_resolver_cb(void *user_data, |
| pj_status_t status, |
| const pj_dns_srv_record *rec) |
| { |
| unsigned i; |
| |
| PJ_UNUSED_ARG(user_data); |
| |
| pjsua_var.stun_status = status; |
| |
| if (status != PJ_SUCCESS) { |
| /* DNS SRV resolution failed. If stun_host is specified, resolve |
| * it with gethostbyname() |
| */ |
| if (pjsua_var.ua_cfg.stun_host.slen) { |
| pj_hostent he; |
| |
| pjsua_var.stun_status = pj_gethostbyname(&pjsua_var.ua_cfg.stun_host, &he); |
| |
| if (pjsua_var.stun_status == PJ_SUCCESS) { |
| pj_sockaddr_in_init(&pjsua_var.stun_srv.ipv4, NULL, 0); |
| pjsua_var.stun_srv.ipv4.sin_addr = *(pj_in_addr*)he.h_addr; |
| pjsua_var.stun_srv.ipv4.sin_port = pj_htons((pj_uint16_t)3478); |
| |
| PJ_LOG(3,(THIS_FILE, |
| "STUN server %.*s resolved, address is %s:%d", |
| (int)pjsua_var.ua_cfg.stun_host.slen, |
| pjsua_var.ua_cfg.stun_host.ptr, |
| pj_inet_ntoa(pjsua_var.stun_srv.ipv4.sin_addr), |
| (int)pj_ntohs(pjsua_var.stun_srv.ipv4.sin_port))); |
| } |
| } else { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(1,(THIS_FILE, |
| "DNS SRV resolution failed for STUN server %.*s: %s", |
| (int)pjsua_var.ua_cfg.stun_domain.slen, |
| pjsua_var.ua_cfg.stun_domain.ptr, |
| errmsg)); |
| } |
| return; |
| } |
| |
| pj_memcpy(&pjsua_var.stun_srv, &rec->entry[0].addr, |
| rec->entry[0].addr_len); |
| |
| PJ_LOG(3,(THIS_FILE, "_stun._udp.%.*s resolved, found %d entry(s):", |
| (int)pjsua_var.ua_cfg.stun_domain.slen, |
| pjsua_var.ua_cfg.stun_domain.ptr, |
| rec->count)); |
| |
| for (i=0; i<rec->count; ++i) { |
| PJ_LOG(3,(THIS_FILE, |
| " %d: prio=%d, weight=%d %s:%d", |
| i, rec->entry[i].priority, rec->entry[i].weight, |
| pj_inet_ntoa(rec->entry[i].addr.ipv4.sin_addr), |
| (int)pj_ntohs(rec->entry[i].addr.ipv4.sin_port))); |
| } |
| |
| } |
| |
| /* |
| * Resolve STUN server. |
| */ |
| pj_status_t pjsua_resolve_stun_server(pj_bool_t wait) |
| { |
| if (pjsua_var.stun_status == PJ_EUNKNOWN) { |
| /* Initialize STUN configuration */ |
| pj_stun_config_init(&pjsua_var.stun_cfg, &pjsua_var.cp.factory, 0, |
| pjsip_endpt_get_ioqueue(pjsua_var.endpt), |
| pjsip_endpt_get_timer_heap(pjsua_var.endpt)); |
| |
| /* Start STUN server resolution */ |
| |
| pjsua_var.stun_status = PJ_EPENDING; |
| |
| /* If stun_domain is specified, resolve STUN servers with DNS |
| * SRV resolution. |
| */ |
| if (pjsua_var.ua_cfg.stun_domain.slen) { |
| pj_str_t res_type; |
| |
| /* Fail if resolver is not configured */ |
| if (pjsua_var.resolver == NULL) { |
| PJ_LOG(1,(THIS_FILE, "Nameserver must be configured when " |
| "stun_domain is specified")); |
| pjsua_var.stun_status = PJLIB_UTIL_EDNSNONS; |
| return PJLIB_UTIL_EDNSNONS; |
| } |
| res_type = pj_str("_stun._udp"); |
| pjsua_var.stun_status = |
| pj_dns_srv_resolve(&pjsua_var.ua_cfg.stun_domain, &res_type, |
| 3478, pjsua_var.pool, pjsua_var.resolver, |
| 0, NULL, stun_dns_srv_resolver_cb); |
| if (pjsua_var.stun_status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error starting DNS SRV resolution", |
| pjsua_var.stun_status); |
| return pjsua_var.stun_status; |
| } |
| } |
| /* Otherwise if stun_host is specified, resolve STUN server with |
| * gethostbyname(). |
| */ |
| else if (pjsua_var.ua_cfg.stun_host.slen) { |
| pj_hostent he; |
| |
| pjsua_var.stun_status = pj_gethostbyname(&pjsua_var.ua_cfg.stun_host, &he); |
| |
| if (pjsua_var.stun_status == PJ_SUCCESS) { |
| pj_sockaddr_in_init(&pjsua_var.stun_srv.ipv4, NULL, 0); |
| pjsua_var.stun_srv.ipv4.sin_addr = *(pj_in_addr*)he.h_addr; |
| pjsua_var.stun_srv.ipv4.sin_port = pj_htons((pj_uint16_t)3478); |
| |
| PJ_LOG(3,(THIS_FILE, |
| "STUN server %.*s resolved, address is %s:%d", |
| (int)pjsua_var.ua_cfg.stun_host.slen, |
| pjsua_var.ua_cfg.stun_host.ptr, |
| pj_inet_ntoa(pjsua_var.stun_srv.ipv4.sin_addr), |
| (int)pj_ntohs(pjsua_var.stun_srv.ipv4.sin_port))); |
| } |
| |
| } |
| /* Otherwise disable STUN. */ |
| else { |
| pjsua_var.stun_status = PJ_SUCCESS; |
| } |
| |
| |
| return pjsua_var.stun_status; |
| |
| } else if (pjsua_var.stun_status == PJ_EPENDING) { |
| /* STUN server resolution has been started, wait for the |
| * result. |
| */ |
| if (wait) { |
| while (pjsua_var.stun_status == PJ_EPENDING) |
| pjsua_handle_events(10); |
| } |
| |
| return pjsua_var.stun_status; |
| |
| } else { |
| /* STUN server has been resolved, return the status */ |
| return pjsua_var.stun_status; |
| } |
| } |
| |
| /* |
| * Destroy pjsua. |
| */ |
| PJ_DEF(pj_status_t) pjsua_destroy(void) |
| { |
| int i; /* Must be signed */ |
| |
| /* Signal threads to quit: */ |
| pjsua_var.thread_quit_flag = 1; |
| |
| /* Wait worker threads to quit: */ |
| for (i=0; i<(int)pjsua_var.ua_cfg.thread_cnt; ++i) { |
| if (pjsua_var.thread[i]) { |
| pj_thread_join(pjsua_var.thread[i]); |
| pj_thread_destroy(pjsua_var.thread[i]); |
| pjsua_var.thread[i] = NULL; |
| } |
| } |
| |
| if (pjsua_var.endpt) { |
| /* Terminate all calls. */ |
| pjsua_call_hangup_all(); |
| |
| /* Terminate all presence subscriptions. */ |
| pjsua_pres_shutdown(); |
| |
| /* Unregister, if required: */ |
| for (i=0; i<(int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) { |
| if (!pjsua_var.acc[i].valid) |
| continue; |
| |
| if (pjsua_var.acc[i].regc) { |
| pjsua_acc_set_registration(i, PJ_FALSE); |
| } |
| } |
| |
| /* Wait for some time to allow unregistration to complete: */ |
| PJ_LOG(4,(THIS_FILE, "Shutting down...")); |
| busy_sleep(1000); |
| } |
| |
| /* Destroy media */ |
| pjsua_media_subsys_destroy(); |
| |
| /* Destroy endpoint. */ |
| if (pjsua_var.endpt) { |
| pjsip_endpt_destroy(pjsua_var.endpt); |
| pjsua_var.endpt = NULL; |
| } |
| |
| /* Destroy mutex */ |
| if (pjsua_var.mutex) { |
| pj_mutex_destroy(pjsua_var.mutex); |
| pjsua_var.mutex = NULL; |
| } |
| |
| /* Destroy pool and pool factory. */ |
| if (pjsua_var.pool) { |
| pj_pool_release(pjsua_var.pool); |
| pjsua_var.pool = NULL; |
| pj_caching_pool_destroy(&pjsua_var.cp); |
| } |
| |
| |
| PJ_LOG(4,(THIS_FILE, "PJSUA destroyed...")); |
| |
| /* End logging */ |
| if (pjsua_var.log_file) { |
| pj_file_close(pjsua_var.log_file); |
| pjsua_var.log_file = NULL; |
| } |
| |
| /* Shutdown PJLIB */ |
| pj_shutdown(); |
| |
| /* Clear pjsua_var */ |
| pj_bzero(&pjsua_var, sizeof(pjsua_var)); |
| |
| /* Done. */ |
| return PJ_SUCCESS; |
| } |
| |
| |
| /** |
| * Application is recommended to call this function after all initialization |
| * is done, so that the library can do additional checking set up |
| * additional |
| * |
| * @return PJ_SUCCESS on success, or the appropriate error code. |
| */ |
| PJ_DEF(pj_status_t) pjsua_start(void) |
| { |
| pj_status_t status; |
| |
| status = pjsua_call_subsys_start(); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| status = pjsua_media_subsys_start(); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| status = pjsua_pres_start(); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /** |
| * Poll pjsua for events, and if necessary block the caller thread for |
| * the specified maximum interval (in miliseconds). |
| */ |
| PJ_DEF(int) pjsua_handle_events(unsigned msec_timeout) |
| { |
| unsigned count = 0; |
| pj_time_val tv; |
| pj_status_t status; |
| |
| tv.sec = 0; |
| tv.msec = msec_timeout; |
| pj_time_val_normalize(&tv); |
| |
| status = pjsip_endpt_handle_events2(pjsua_var.endpt, &tv, &count); |
| |
| if (status != PJ_SUCCESS) |
| return -status; |
| |
| return count; |
| } |
| |
| |
| /* |
| * Create memory pool. |
| */ |
| PJ_DEF(pj_pool_t*) pjsua_pool_create( const char *name, pj_size_t init_size, |
| pj_size_t increment) |
| { |
| /* Pool factory is thread safe, no need to lock */ |
| return pj_pool_create(&pjsua_var.cp.factory, name, init_size, increment, |
| NULL); |
| } |
| |
| |
| /* |
| * Internal function to get SIP endpoint instance of pjsua, which is |
| * needed for example to register module, create transports, etc. |
| * Probably is only valid after #pjsua_init() is called. |
| */ |
| PJ_DEF(pjsip_endpoint*) pjsua_get_pjsip_endpt(void) |
| { |
| return pjsua_var.endpt; |
| } |
| |
| /* |
| * Internal function to get media endpoint instance. |
| * Only valid after #pjsua_init() is called. |
| */ |
| PJ_DEF(pjmedia_endpt*) pjsua_get_pjmedia_endpt(void) |
| { |
| return pjsua_var.med_endpt; |
| } |
| |
| /* |
| * Internal function to get PJSUA pool factory. |
| */ |
| PJ_DEF(pj_pool_factory*) pjsua_get_pool_factory(void) |
| { |
| return &pjsua_var.cp.factory; |
| } |
| |
| /***************************************************************************** |
| * PJSUA SIP Transport API. |
| */ |
| |
| /* |
| * Create and initialize SIP socket (and possibly resolve public |
| * address via STUN, depending on config). |
| */ |
| static pj_status_t create_sip_udp_sock(pj_in_addr bound_addr, |
| int port, |
| pj_sock_t *p_sock, |
| pj_sockaddr_in *p_pub_addr) |
| { |
| char ip_addr[32]; |
| pj_str_t stun_srv; |
| pj_sock_t sock; |
| pj_status_t status; |
| |
| /* Make sure STUN server resolution has completed */ |
| status = pjsua_resolve_stun_server(PJ_TRUE); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error resolving STUN server", status); |
| return status; |
| } |
| |
| status = pj_sock_socket(PJ_AF_INET, PJ_SOCK_DGRAM, 0, &sock); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "socket() error", status); |
| return status; |
| } |
| |
| status = pj_sock_bind_in(sock, pj_ntohl(bound_addr.s_addr), |
| (pj_uint16_t)port); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "bind() error", status); |
| pj_sock_close(sock); |
| return status; |
| } |
| |
| /* If port is zero, get the bound port */ |
| if (port == 0) { |
| pj_sockaddr_in bound_addr; |
| int namelen = sizeof(bound_addr); |
| status = pj_sock_getsockname(sock, &bound_addr, &namelen); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "getsockname() error", status); |
| pj_sock_close(sock); |
| return status; |
| } |
| |
| port = pj_ntohs(bound_addr.sin_port); |
| } |
| |
| if (pjsua_var.stun_srv.addr.sa_family != 0) { |
| pj_ansi_strcpy(ip_addr,pj_inet_ntoa(pjsua_var.stun_srv.ipv4.sin_addr)); |
| stun_srv = pj_str(ip_addr); |
| } else { |
| stun_srv.slen = 0; |
| } |
| |
| /* Get the published address, either by STUN or by resolving |
| * the name of local host. |
| */ |
| if (stun_srv.slen) { |
| /* |
| * STUN is specified, resolve the address with STUN. |
| */ |
| status = pjstun_get_mapped_addr(&pjsua_var.cp.factory, 1, &sock, |
| &stun_srv, 3478, |
| &stun_srv, 3478, |
| p_pub_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error contacting STUN server", status); |
| pj_sock_close(sock); |
| return status; |
| } |
| |
| } else if (p_pub_addr->sin_addr.s_addr != 0) { |
| /* |
| * Public address is already specified, no need to resolve the |
| * address, only set the port. |
| */ |
| if (p_pub_addr->sin_port == 0) |
| p_pub_addr->sin_port = pj_htons((pj_uint16_t)port); |
| |
| } else { |
| |
| pj_bzero(p_pub_addr, sizeof(pj_sockaddr_in)); |
| |
| status = pj_gethostip(&p_pub_addr->sin_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to get local host IP", status); |
| pj_sock_close(sock); |
| return status; |
| } |
| |
| p_pub_addr->sin_family = PJ_AF_INET; |
| p_pub_addr->sin_port = pj_htons((pj_uint16_t)port); |
| } |
| |
| *p_sock = sock; |
| |
| PJ_LOG(4,(THIS_FILE, "SIP UDP socket reachable at %s:%d", |
| pj_inet_ntoa(p_pub_addr->sin_addr), |
| (int)pj_ntohs(p_pub_addr->sin_port))); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Create SIP transport. |
| */ |
| PJ_DEF(pj_status_t) pjsua_transport_create( pjsip_transport_type_e type, |
| const pjsua_transport_config *cfg, |
| pjsua_transport_id *p_id) |
| { |
| pjsip_transport *tp; |
| unsigned id; |
| pj_status_t status; |
| |
| PJSUA_LOCK(); |
| |
| /* Find empty transport slot */ |
| for (id=0; id < PJ_ARRAY_SIZE(pjsua_var.tpdata); ++id) { |
| if (pjsua_var.tpdata[id].data.ptr == NULL) |
| break; |
| } |
| |
| if (id == PJ_ARRAY_SIZE(pjsua_var.tpdata)) { |
| status = PJ_ETOOMANY; |
| pjsua_perror(THIS_FILE, "Error creating transport", status); |
| goto on_return; |
| } |
| |
| /* Create the transport */ |
| if (type == PJSIP_TRANSPORT_UDP) { |
| /* |
| * Create UDP transport. |
| */ |
| pjsua_transport_config config; |
| pj_sock_t sock = PJ_INVALID_SOCKET; |
| pj_sockaddr_in bound_addr; |
| pj_sockaddr_in pub_addr; |
| pjsip_host_port addr_name; |
| |
| /* Supply default config if it's not specified */ |
| if (cfg == NULL) { |
| pjsua_transport_config_default(&config); |
| cfg = &config; |
| } |
| |
| /* Initialize bound address, if any */ |
| bound_addr.sin_addr.s_addr = PJ_INADDR_ANY; |
| if (cfg->bound_addr.slen) { |
| status = pj_sockaddr_in_set_str_addr(&bound_addr,&cfg->bound_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Unable to resolve transport bound address", |
| status); |
| goto on_return; |
| } |
| } |
| |
| /* Initialize the public address from the config, if any */ |
| pj_sockaddr_in_init(&pub_addr, NULL, (pj_uint16_t)cfg->port); |
| if (cfg->public_addr.slen) { |
| status = pj_sockaddr_in_set_str_addr(&pub_addr, &cfg->public_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Unable to resolve transport public address", |
| status); |
| goto on_return; |
| } |
| } |
| |
| /* Create the socket and possibly resolve the address with STUN |
| * (only when public address is not specified). |
| */ |
| status = create_sip_udp_sock(bound_addr.sin_addr, cfg->port, |
| &sock, &pub_addr); |
| if (status != PJ_SUCCESS) |
| goto on_return; |
| |
| addr_name.host = pj_str(pj_inet_ntoa(pub_addr.sin_addr)); |
| addr_name.port = pj_ntohs(pub_addr.sin_port); |
| |
| /* Create UDP transport */ |
| status = pjsip_udp_transport_attach( pjsua_var.endpt, sock, |
| &addr_name, 1, |
| &tp); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating SIP UDP transport", |
| status); |
| pj_sock_close(sock); |
| goto on_return; |
| } |
| |
| |
| /* Save the transport */ |
| pjsua_var.tpdata[id].type = type; |
| pjsua_var.tpdata[id].local_name = tp->local_name; |
| pjsua_var.tpdata[id].data.tp = tp; |
| |
| } else if (type == PJSIP_TRANSPORT_TCP) { |
| /* |
| * Create TCP transport. |
| */ |
| pjsua_transport_config config; |
| pjsip_host_port a_name; |
| pjsip_tpfactory *tcp; |
| pj_sockaddr_in local_addr; |
| |
| /* Supply default config if it's not specified */ |
| if (cfg == NULL) { |
| pjsua_transport_config_default(&config); |
| cfg = &config; |
| } |
| |
| /* Init local address */ |
| pj_sockaddr_in_init(&local_addr, 0, 0); |
| |
| if (cfg->port) |
| local_addr.sin_port = pj_htons((pj_uint16_t)cfg->port); |
| |
| if (cfg->bound_addr.slen) { |
| status = pj_sockaddr_in_set_str_addr(&local_addr,&cfg->bound_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Unable to resolve transport bound address", |
| status); |
| goto on_return; |
| } |
| } |
| |
| /* Init published name */ |
| pj_bzero(&a_name, sizeof(pjsip_host_port)); |
| if (cfg->public_addr.slen) |
| a_name.host = cfg->public_addr; |
| |
| /* Create the TCP transport */ |
| status = pjsip_tcp_transport_start2(pjsua_var.endpt, &local_addr, |
| &a_name, 1, &tcp); |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating SIP TCP listener", |
| status); |
| goto on_return; |
| } |
| |
| /* Save the transport */ |
| pjsua_var.tpdata[id].type = type; |
| pjsua_var.tpdata[id].local_name = tcp->addr_name; |
| pjsua_var.tpdata[id].data.factory = tcp; |
| |
| #if defined(PJSIP_HAS_TLS_TRANSPORT) && PJSIP_HAS_TLS_TRANSPORT!=0 |
| } else if (type == PJSIP_TRANSPORT_TLS) { |
| /* |
| * Create TLS transport. |
| */ |
| /* |
| * Create TCP transport. |
| */ |
| pjsua_transport_config config; |
| pjsip_host_port a_name; |
| pjsip_tpfactory *tls; |
| pj_sockaddr_in local_addr; |
| |
| /* Supply default config if it's not specified */ |
| if (cfg == NULL) { |
| pjsua_transport_config_default(&config); |
| config.port = 5061; |
| cfg = &config; |
| } |
| |
| /* Init local address */ |
| pj_sockaddr_in_init(&local_addr, 0, 0); |
| |
| if (cfg->port) |
| local_addr.sin_port = pj_htons((pj_uint16_t)cfg->port); |
| |
| if (cfg->bound_addr.slen) { |
| status = pj_sockaddr_in_set_str_addr(&local_addr,&cfg->bound_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Unable to resolve transport bound address", |
| status); |
| goto on_return; |
| } |
| } |
| |
| /* Init published name */ |
| pj_bzero(&a_name, sizeof(pjsip_host_port)); |
| if (cfg->public_addr.slen) |
| a_name.host = cfg->public_addr; |
| |
| status = pjsip_tls_transport_start(pjsua_var.endpt, |
| &cfg->tls_setting, |
| &local_addr, &a_name, 1, &tls); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating SIP TLS listener", |
| status); |
| goto on_return; |
| } |
| |
| /* Save the transport */ |
| pjsua_var.tpdata[id].type = type; |
| pjsua_var.tpdata[id].local_name = tls->addr_name; |
| pjsua_var.tpdata[id].data.factory = tls; |
| #endif |
| |
| } else { |
| status = PJSIP_EUNSUPTRANSPORT; |
| pjsua_perror(THIS_FILE, "Error creating transport", status); |
| goto on_return; |
| } |
| |
| |
| /* Return the ID */ |
| if (p_id) *p_id = id; |
| |
| status = PJ_SUCCESS; |
| |
| on_return: |
| |
| PJSUA_UNLOCK(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * Register transport that has been created by application. |
| */ |
| PJ_DEF(pj_status_t) pjsua_transport_register( pjsip_transport *tp, |
| pjsua_transport_id *p_id) |
| { |
| unsigned id; |
| |
| PJSUA_LOCK(); |
| |
| /* Find empty transport slot */ |
| for (id=0; id < PJ_ARRAY_SIZE(pjsua_var.tpdata); ++id) { |
| if (pjsua_var.tpdata[id].data.ptr == NULL) |
| break; |
| } |
| |
| if (id == PJ_ARRAY_SIZE(pjsua_var.tpdata)) { |
| pjsua_perror(THIS_FILE, "Error creating transport", PJ_ETOOMANY); |
| PJSUA_UNLOCK(); |
| return PJ_ETOOMANY; |
| } |
| |
| /* Save the transport */ |
| pjsua_var.tpdata[id].type = tp->key.type; |
| pjsua_var.tpdata[id].local_name = tp->local_name; |
| pjsua_var.tpdata[id].data.tp = tp; |
| |
| /* Return the ID */ |
| if (p_id) *p_id = id; |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Enumerate all transports currently created in the system. |
| */ |
| PJ_DEF(pj_status_t) pjsua_enum_transports( pjsua_transport_id id[], |
| unsigned *p_count ) |
| { |
| unsigned i, count; |
| |
| PJSUA_LOCK(); |
| |
| for (i=0, count=0; i<PJ_ARRAY_SIZE(pjsua_var.tpdata) && count<*p_count; |
| ++i) |
| { |
| if (!pjsua_var.tpdata[i].data.ptr) |
| continue; |
| |
| id[count++] = i; |
| } |
| |
| *p_count = count; |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get information about transports. |
| */ |
| PJ_DEF(pj_status_t) pjsua_transport_get_info( pjsua_transport_id id, |
| pjsua_transport_info *info) |
| { |
| pjsua_transport_data *t = &pjsua_var.tpdata[id]; |
| pj_status_t status; |
| |
| pj_bzero(info, sizeof(*info)); |
| |
| /* Make sure id is in range. */ |
| PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.tpdata), PJ_EINVAL); |
| |
| /* Make sure that transport exists */ |
| PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| if (pjsua_var.tpdata[id].type == PJSIP_TRANSPORT_UDP) { |
| |
| pjsip_transport *tp = t->data.tp; |
| |
| if (tp == NULL) { |
| PJSUA_UNLOCK(); |
| return PJ_EINVALIDOP; |
| } |
| |
| info->id = id; |
| info->type = tp->key.type; |
| info->type_name = pj_str(tp->type_name); |
| info->info = pj_str(tp->info); |
| info->flag = tp->flag; |
| info->addr_len = tp->addr_len; |
| info->local_addr = tp->local_addr; |
| info->local_name = tp->local_name; |
| info->usage_count = pj_atomic_get(tp->ref_cnt); |
| |
| status = PJ_SUCCESS; |
| |
| } else if (pjsua_var.tpdata[id].type == PJSIP_TRANSPORT_TCP) { |
| |
| pjsip_tpfactory *factory = t->data.factory; |
| |
| if (factory == NULL) { |
| PJSUA_UNLOCK(); |
| return PJ_EINVALIDOP; |
| } |
| |
| info->id = id; |
| info->type = t->type; |
| info->type_name = pj_str("TCP"); |
| info->info = pj_str("TCP transport"); |
| info->flag = factory->flag; |
| info->addr_len = sizeof(factory->local_addr); |
| info->local_addr = factory->local_addr; |
| info->local_name = factory->addr_name; |
| info->usage_count = 0; |
| |
| status = PJ_SUCCESS; |
| |
| } else { |
| pj_assert(!"Unsupported transport"); |
| status = PJ_EINVALIDOP; |
| } |
| |
| |
| PJSUA_UNLOCK(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * Disable a transport or re-enable it. |
| */ |
| PJ_DEF(pj_status_t) pjsua_transport_set_enable( pjsua_transport_id id, |
| pj_bool_t enabled) |
| { |
| /* Make sure id is in range. */ |
| PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.tpdata), PJ_EINVAL); |
| |
| /* Make sure that transport exists */ |
| PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL); |
| |
| |
| /* To be done!! */ |
| PJ_TODO(pjsua_transport_set_enable); |
| PJ_UNUSED_ARG(enabled); |
| |
| return PJ_EINVALIDOP; |
| } |
| |
| |
| /* |
| * Close the transport. |
| */ |
| PJ_DEF(pj_status_t) pjsua_transport_close( pjsua_transport_id id, |
| pj_bool_t force ) |
| { |
| pj_status_t status; |
| |
| /* Make sure id is in range. */ |
| PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.tpdata), PJ_EINVAL); |
| |
| /* Make sure that transport exists */ |
| PJ_ASSERT_RETURN(pjsua_var.tpdata[id].data.ptr != NULL, PJ_EINVAL); |
| |
| /* Note: destroy() may not work if there are objects still referencing |
| * the transport. |
| */ |
| if (force) { |
| switch (pjsua_var.tpdata[id].type) { |
| case PJSIP_TRANSPORT_UDP: |
| status = pjsip_transport_shutdown(pjsua_var.tpdata[id].data.tp); |
| if (status != PJ_SUCCESS) |
| return status; |
| status = pjsip_transport_destroy(pjsua_var.tpdata[id].data.tp); |
| if (status != PJ_SUCCESS) |
| return status; |
| break; |
| |
| case PJSIP_TRANSPORT_TLS: |
| case PJSIP_TRANSPORT_TCP: |
| /* This will close the TCP listener, but existing TCP/TLS |
| * connections (if any) will still linger |
| */ |
| status = (*pjsua_var.tpdata[id].data.factory->destroy) |
| (pjsua_var.tpdata[id].data.factory); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| break; |
| |
| default: |
| return PJ_EINVAL; |
| } |
| |
| } else { |
| /* If force is not specified, transports will be closed at their |
| * convenient time. However this will leak PJSUA-API transport |
| * descriptors as PJSUA-API wouldn't know when exactly the |
| * transport is closed thus it can't cleanup PJSUA transport |
| * descriptor. |
| */ |
| switch (pjsua_var.tpdata[id].type) { |
| case PJSIP_TRANSPORT_UDP: |
| return pjsip_transport_shutdown(pjsua_var.tpdata[id].data.tp); |
| case PJSIP_TRANSPORT_TLS: |
| case PJSIP_TRANSPORT_TCP: |
| return (*pjsua_var.tpdata[id].data.factory->destroy) |
| (pjsua_var.tpdata[id].data.factory); |
| default: |
| return PJ_EINVAL; |
| } |
| } |
| |
| /* Cleanup pjsua data when force is applied */ |
| if (force) { |
| pjsua_var.tpdata[id].type = PJSIP_TRANSPORT_UNSPECIFIED; |
| pjsua_var.tpdata[id].data.ptr = NULL; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Add additional headers etc in msg_data specified by application |
| * when sending requests. |
| */ |
| void pjsua_process_msg_data(pjsip_tx_data *tdata, |
| const pjsua_msg_data *msg_data) |
| { |
| pj_bool_t allow_body; |
| const pjsip_hdr *hdr; |
| |
| /* Always add User-Agent */ |
| if (pjsua_var.ua_cfg.user_agent.slen && |
| tdata->msg->type == PJSIP_REQUEST_MSG) |
| { |
| const pj_str_t STR_USER_AGENT = { "User-Agent", 10 }; |
| pjsip_hdr *h; |
| h = (pjsip_hdr*)pjsip_generic_string_hdr_create(tdata->pool, |
| &STR_USER_AGENT, |
| &pjsua_var.ua_cfg.user_agent); |
| pjsip_msg_add_hdr(tdata->msg, h); |
| } |
| |
| if (!msg_data) |
| return; |
| |
| hdr = msg_data->hdr_list.next; |
| while (hdr && hdr != &msg_data->hdr_list) { |
| pjsip_hdr *new_hdr; |
| |
| new_hdr = pjsip_hdr_clone(tdata->pool, hdr); |
| pjsip_msg_add_hdr(tdata->msg, new_hdr); |
| |
| hdr = hdr->next; |
| } |
| |
| allow_body = (tdata->msg->body == NULL); |
| |
| if (allow_body && msg_data->content_type.slen && msg_data->msg_body.slen) { |
| pjsip_media_type ctype; |
| pjsip_msg_body *body; |
| |
| pjsua_parse_media_type(tdata->pool, &msg_data->content_type, &ctype); |
| body = pjsip_msg_body_create(tdata->pool, &ctype.type, &ctype.subtype, |
| &msg_data->msg_body); |
| tdata->msg->body = body; |
| } |
| } |
| |
| |
| /* |
| * Add route_set to outgoing requests |
| */ |
| void pjsua_set_msg_route_set( pjsip_tx_data *tdata, |
| const pjsip_route_hdr *route_set ) |
| { |
| const pjsip_route_hdr *r; |
| |
| r = route_set->next; |
| while (r != route_set) { |
| pjsip_route_hdr *new_r; |
| |
| new_r = pjsip_hdr_clone(tdata->pool, r); |
| pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)new_r); |
| |
| r = r->next; |
| } |
| } |
| |
| |
| /* |
| * Simple version of MIME type parsing (it doesn't support parameters) |
| */ |
| void pjsua_parse_media_type( pj_pool_t *pool, |
| const pj_str_t *mime, |
| pjsip_media_type *media_type) |
| { |
| pj_str_t tmp; |
| char *pos; |
| |
| pj_bzero(media_type, sizeof(*media_type)); |
| |
| pj_strdup_with_null(pool, &tmp, mime); |
| |
| pos = pj_strchr(&tmp, '/'); |
| if (pos) { |
| media_type->type.ptr = tmp.ptr; |
| media_type->type.slen = (pos-tmp.ptr); |
| media_type->subtype.ptr = pos+1; |
| media_type->subtype.slen = tmp.ptr+tmp.slen-pos-1; |
| } else { |
| media_type->type = tmp; |
| } |
| } |
| |
| |
| /* |
| * Internal function to init transport selector from transport id. |
| */ |
| void pjsua_init_tpselector(pjsua_transport_id tp_id, |
| pjsip_tpselector *sel) |
| { |
| pjsua_transport_data *tpdata; |
| unsigned flag; |
| |
| pj_bzero(sel, sizeof(*sel)); |
| if (tp_id == PJSUA_INVALID_ID) |
| return; |
| |
| pj_assert(tp_id >= 0 && tp_id < PJ_ARRAY_SIZE(pjsua_var.tpdata)); |
| tpdata = &pjsua_var.tpdata[tp_id]; |
| |
| flag = pjsip_transport_get_flag_from_type(tpdata->type); |
| |
| if (flag & PJSIP_TRANSPORT_DATAGRAM) { |
| sel->type = PJSIP_TPSELECTOR_TRANSPORT; |
| sel->u.transport = tpdata->data.tp; |
| } else { |
| sel->type = PJSIP_TPSELECTOR_LISTENER; |
| sel->u.listener = tpdata->data.factory; |
| } |
| } |
| |
| |
| /* |
| * Verify that valid SIP url is given. |
| */ |
| PJ_DEF(pj_status_t) pjsua_verify_sip_url(const char *c_url) |
| { |
| pjsip_uri *p; |
| pj_pool_t *pool; |
| char *url; |
| int len = (c_url ? pj_ansi_strlen(c_url) : 0); |
| |
| if (!len) return -1; |
| |
| pool = pj_pool_create(&pjsua_var.cp.factory, "check%p", 1024, 0, NULL); |
| if (!pool) return -1; |
| |
| url = pj_pool_alloc(pool, len+1); |
| pj_ansi_strcpy(url, c_url); |
| |
| p = pjsip_parse_uri(pool, url, len, 0); |
| if (!p || pj_stricmp2(pjsip_uri_get_scheme(p), "sip") != 0) |
| p = NULL; |
| |
| pj_pool_release(pool); |
| return p ? 0 : -1; |
| } |